US Bridges

RTE I878 over RTE I678 RTE I678

Fair

Queens County, New York · JCT I678 + I78 · Structure no. 000000001075630

Built
1967
58 years old, rebuilt 2010
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
4 main spans
Daily traffic
61,542
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I878 over RTE I678 RTE I678 is a steel continuous stringer/multi-beam or girder carrying RTE I878 over RTE I678 RTE I678 in Queens County, New York. It was built in 1967 and reconstructed in 2010, so it is 58 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 61,542 vehicles a day, roughly 8% of them trucks, projected to reach 78,638 by 2041. The structure is 201 ft (61.3 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I878
CrossesRTE I678 RTE I678
LocationJCT I678 + I78
RouteCity Street 878
CountyQueens County
StateNew York
Coordinates40.66526, -73.80218
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating105.1 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length201 ft (61.3 m)
Longest span76 ft (23.2 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61,542 (2020)
Projected traffic78,638 by 2041
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$5.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I878 over RTE I678 RTE I678 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2010.

What condition is RTE I878 over RTE I678 RTE I678 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does RTE I878 over RTE I678 RTE I678 carry?

About 61,542 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE I878 over RTE I678 RTE I678?

The structure is 201 ft (61.3 m) long with a longest span of 76 ft (23.2 m) and a deck 33 ft wide.

Who owns RTE I878 over RTE I678 RTE I678?

It is owned by the State Highway Agency.